參數(shù)資料
型號(hào)： CY2281
廠商： Cypress Semiconductor Corp.
英文描述： 100-MHz PentiumII Clock Synthesizer/Driver with Spread Spectrum for Mobile or Desktop PCs(應(yīng)用于移動(dòng)或桌上型PC機(jī)并帶有寬頻譜的100MHz奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器)
中文描述： 100兆赫PentiumII時(shí)鐘合成器/驅(qū)動(dòng)器，帶有擴(kuò)頻移動(dòng)或桌面電腦（應(yīng)用于移動(dòng)或桌上型電腦機(jī)并帶有寬頻譜的100MHz的奔騰二時(shí)鐘合成器/驅(qū)動(dòng)器譜）
文件頁數(shù)： 2/9頁
文件大?。?/td> 121K
代理商： CY2281
CY2281
PRELIMINARY
2
Pin Summary
Name
Pins
Description
V
DDPCI
V
DDREF
V
DDCPU
V
DDUSB
AV
DD
V
SS
XTALIN
[2]
XTALOUT
[2]
6, 9
3.3V Digital voltage supply for PCI clocks
27
3.3V Digital voltage supply for REF clocks
25
2.5V Digital voltage supply for CPU clocks
13
3.3V Digital voltage supply for USB clock
21
Analog voltage supply, 3.3V
3, 12, 14, 20, 22, 28
Ground
1
Reference crystal input
2
Reference crystal feedback
PCI_STOP
19
Active LOW control input to stop PCI clocks
CPU_STOP
18
Active LOW control input to stop CPU clocks
PWR_DWN
17
Active LOW control input to power down device
SEL
16
CPU frequency select input (-1 and -11S options only)
USBCLK
16
USB clock output, 48 MHz fixed (-2S option only)
SEL100
15
CPU frequency select input, selects between 100 MHz and 66.6 MHz
(see table below)
CPUCLK[0:1]
23, 24
CPU clock outputs
PCICLK[1:5]
5, 7, 8, 10, 11
PCI clock outputs, at one-half or one-third the CPU frequency of 66.6 MHz
or 100 MHz respectively
PCICLK_F
4
Free-running PCI clock output
REF
26
3.3V Reference clock output
Function Table
SEL100
SEL
[4]
CPU/PCI
Ratio
CPUCLK
PCICLK_F
PCICLK
USBCLK
[5]
REF
0
0
2
Hi-Z
Hi-Z
Hi-Z
0
1
2
66.66 MHz
33.33 MHz
48 MHz
14.318 MHz
TCLK
[3]
1
0
3
TCLK/2
TCLK/6
1
1
3
100 MHz
33.33 MHz
48 MHz
14.318 MHz
Notes:
2.
3.
4.
5.
For best accuracy, use a parallel-resonant crystal, C
LOAD
= 18 pF.
TCLK supplied on the XTALIN pin in Test Mode.
SEL available on options -1 and -11S only. SEL tied HIGH internally on option -2S
USBCLK available on option -2S only.
相關(guān)PDF資料
PDF描述
CY2282-1 100-MHz PentiumII Clock Synthesizer/Driver with Spread Spectrum and USB for Desktop PCs(應(yīng)用于桌上型PC機(jī)并帶有擴(kuò)展頻譜和USB的100MHz奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器)
CY2282-11S 100-MHz PentiumII Clock Synthesizer/Driver with Spread Spectrum and USB for Desktop PCs(應(yīng)用于桌上型PC機(jī)并帶有擴(kuò)展頻譜和USB的100MHz奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器)
CY2283 PentiumII, K6, 6x86 100-MHz Clock Synthesizer/Driver for Desktop PCs with ALI or VIA Chipsets, AGP and 3 DIMMs(帶ALI或VIA芯片組，AGP和3DIMM應(yīng)用于桌上型PC機(jī)的奔II，K6, 6x86 100MHz時(shí)鐘合成器/驅(qū)動(dòng)器)
CY2285 100-MHz PentiumII Clock Synthesizer/Driver with Spread Spectrum for Mobile PCs(應(yīng)用于移動(dòng)PC機(jī)并帶有寬頻譜的100MHz奔騰II時(shí)鐘合成器/驅(qū)動(dòng)器)
CY2292FIT Three-PLL General-Purpose EPROM Programmable Clock Generator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY2283 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:PentiumII, K6, 6x86 100-MHz Clock Synthesizer/Driver for Desktop PCs with ALI or VIA Chipsets, AGP and 3 DIMMs
CY2283PVC-1 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:PentiumII, K6, 6x86 100-MHz Clock Synthesizer/Driver for Desktop PCs with ALI or VIA Chipsets, AGP and 3 DIMMs
CY2283PVC-2 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:PentiumII, K6, 6x86 100-MHz Clock Synthesizer/Driver for Desktop PCs with ALI or VIA Chipsets, AGP and 3 DIMMs
CY2285 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:100-MHz Pentium㈢II Clock Synthesizer/Driver with Spread Spectrum for Mobile PCs
CY2285PVC-1 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CPU System Clock Generator
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